Zoology Chapter 1

Question 1

The two major groups of vertebrates are distinguished how?

Answer 1

Based on the innovation of embryonic development. Three membranes formed by tissues that come from embryo

Question 2

What surrounds the embryo?

Answer 2

Amnion

Question 3

Animals with amnions are known as?

Answer 3

Aminotes

Question 4

The division between non aminotes and amniotes corresponds roughly to what?

Answer 4

Aquatic and terrestrial vertebrates

Question 5

The amniotes are categorized into what two major lineages?

Answer 5

Sauropsids and Synapsids

Question 6

What animals are included in the Sauropsids?

Answer 6

Reptiles, Including birds

Question 7

What animals are included in the Synapsids?

Answer 7

Mammals

Question 8

The lineages, Sauropsids and Synapsids, separated from each other when/

Answer 8

Late Devonian period

Question 9

Sauropsids and Synapsids represent parallel, but independent origins based on what?

Answer 9

Basic characters such as lung ventilation, kidney function,insulation, and temperature regulation

Question 10

What are the embryos of non amniotes enclosed and protected by?

Answer 10

The reproductive tract of the female

Question 11

What animals are included in the Non Amniotes?

Answer 11

Fishes and amphibians

Question 12

What are the main categories of the Non Amniotes?

Answer 12

Hagfish and Lamprey
Sharks, Rays, Ratfishes
Bony Fishes
Salamanders, Frogs, Caecillians

Question 13

The Chondrichthyes are?

Answer 13

Sharks, Rays, Ratfishes

Question 14

The Osteichthyes are?

Answer 14

Bony Fishes

Question 15

The Urodela, Anura, and Gymnophiona are?

Answer 15

Salamanders, Frogs, Caecillians

Question 16

Main physical appearance of Lampreys and Hagfish

Answer 16

Elongate, limbless, scaleless, slimy, no internal bony tissues, lack jaws

Question 17

Habitat of Lampreys and Hagfish

Answer 17

Marine. Seabed at depth of 100 meters or more

Question 18

Characteristics of Lampreys and Hagfish

Answer 18

Scavengers, parasites

Question 19

Traditionally grouped as agnathans or cyclostomes

Answer 19

Lampreys and Hagfish

Question 20

Neoselachii are what?

And are differed from how?

Answer 20

Extant sharks and rays.

Body form and habits

Question 21

The habitat of Rays are where?

Answer 21

Bottom feeders

Question 22

Physical appearance of Rays

Answer 22

Dorsoventrally flattened and swim with undulations of their extremely broad pectoral fins.

Question 23

Rtfishes are get their name how?

Answer 23

From single gill cover that extends over all four gill openings.

Question 24

Physical appearance of Ratfish

Answer 24

Long,slender tails, bucktooth faces that look like rabbits.

Question 25

Habitat of Ratfish

Answer 25

Seafloor and feed on had-shelled prey like crustaceans and mollusks